Home / 28,729.24-43,049.88-19,334.50

Finding the Fourth Proportional to 28,729.24, 43,049.88 and 19,334.50

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Solution

The fourth proportional to 28,729.24, 43,049.88 and 19,334.50 is: 28,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.24 : 43,049.88 = 19,334.50 : x
  2. Step 2: Convert to fraction form
    28,729.24/43,049.88 = 19,334.50/x
  3. Step 3: Cross multiply
    28,729.24x = 43,049.88 × 19,334.50
  4. Step 4: Simplify right side
    28,729.24x = 832,347,904.86
  5. Step 5: Solve for x
    x = 832,347,904.86/28,729.24
  6. Step 6: Final answer
    x = 28,972.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.